| BRADFIELD, Simon David ACTIVE | Secretary | 01 Jul 2025 | | | | Bto, The Nunnery, Thetford, Norfolk, IP24 2PU, United Kingdom |
| BRADFIELD, Simon David ACTIVE | Director | 01 Jul 2025 | | England | July 1972 | Bto, The Nunnery, Thetford, Norfolk, IP24 2PU, United Kingdom |
| EVANS, David Ieuan Picton, Dr ACTIVE | Director | 02 Aug 2019 | | England | March 1975 | Bto, The Nunnery, Thetford, Norfolk, IP24 2PU, United Kingdom |
| PEARCE-HIGGINS, James William, Prof ACTIVE | Director | 02 Aug 2019 | | England | August 1973 | Bto, The Nunnery, Thetford, Norfolk, IP24 2PU, United Kingdom |
| VICKERY, Juliet Anne, Prof ACTIVE | Director | 12 Nov 2020 | | England | July 1963 | Bto, The Nunnery, Thetford, Norfolk, IP24 2PU, United Kingdom |
| CARTER, Nicholas, Dr RESIGNED | Secretary | 01 Mar 2005 | 08 Feb 2006 | | | Midway Hulver Street, Beccles, Suffolk, NR34 7UE |
| CARTER, Nicholas, Dr RESIGNED | Secretary | 11 Jun 2003 | 09 Jan 2004 | | | Midway Hulver Street, Beccles, Suffolk, NR34 7UE |
| ELVIN, Andrew RESIGNED | Secretary | 11 Mar 1994 | 30 Apr 2003 | | | 18 Beechbank Drive, Thorpe End, Norwich, Norfolk, NR13 5BW |
| PHILLIPS, Gareth Wyn RESIGNED | Secretary | 09 Jan 2004 | 28 Feb 2005 | | | 27 Sunningdale, Newmarket Road, Norwich, Norfolk, NR4 6AQ |
| SCOTT, Andrew Thomas RESIGNED | Secretary | 08 Feb 2006 | 01 Jul 2025 | | | Bto, The Nunnery, Thetford, Norfolk, IP24 2PU, United Kingdom |
| AGOMBAR, Dave Edward RESIGNED | Director | 01 Jan 2017 | 26 Jun 2019 | England | August 1949 | Bto, The Nunnery, Thetford, Norfolk, IP24 2PU, United Kingdom |
| APPLETON, Graham Frank RESIGNED | Director | 28 Feb 2009 | 02 Jul 2014 | United Kingdom | August 1956 | The Nunnery, Thetford, Norfolk, IP24 2PU |
| BAINBRIDGE, Ian Paul, Dr RESIGNED | Director | 01 Jan 2017 | 02 Jul 2019 | United Kingdom | July 1954 | Bto, The Nunnery, Thetford, Norfolk, IP24 2PU, United Kingdom |
| BARCLAY, Fiona RESIGNED | Director | 01 Jan 2017 | 02 Aug 2019 | England | February 1971 | Bto, The Nunnery, Thetford, Norfolk, IP24 2PU, United Kingdom |
| BUCKNELL, Neil John RESIGNED | Director | 28 Feb 2009 | 31 Dec 2016 | United Kingdom | March 1956 | The Nunnery, Thetford, Norfolk, IP24 2PU |
| CAMPBELL, Niall Gordon RESIGNED | Director | 01 Jan 2008 | 10 Jul 2012 | United Kingdom | November 1941 | The Nunnery, Thetford, Norfolk, IP24 2PU |
| CARTER, Nicholas, Dr RESIGNED | Director | 11 Mar 1994 | 10 Dec 2007 | | April 1953 | Midway Hulver Street, Beccles, Suffolk, NR34 7UE |
| CASTLE, Ian Charles RESIGNED | Director | 11 Mar 1994 | 28 Feb 2009 | | September 1939 | 5 Chapelfield, Orford, Woodbridge, IP12 2HW |
| CLEMENTS, Frederick Andrew, Dr RESIGNED | Director | 02 Aug 2019 | 12 Nov 2020 | England | October 1954 | Bto, The Nunnery, Thetford, Norfolk, IP24 2PU, United Kingdom |
| COKER, David Graeme RESIGNED | Director | 28 Feb 2009 | 31 Dec 2016 | United Kingdom | March 1949 | The Nunnery, Thetford, Norfolk, IP24 2PU |
| ELVIN, Andrew RESIGNED | Director | 11 Mar 1994 | 30 Apr 2003 | | August 1946 | 18 Beechbank Drive, Thorpe End, Norwich, Norfolk, NR13 5BW |
| GRAY, Mary Jayne RESIGNED | Director | 19 May 2005 | 28 Feb 2009 | | May 1964 | Whinburgh House, Chapel Road, Carleton Rode, Norfolk, NR16 1RN |
| OSMOND, Thomas John, Dr RESIGNED | Director | 10 Jul 2012 | 31 Dec 2016 | Uk | September 1953 | 7, Downside Crescent, London, NW3 2AN, Uk |
| PACKER, Ian RESIGNED | Director | 01 Jan 2017 | 02 Aug 2019 | England | July 1952 | Bto, The Nunnery, Thetford, Norfolk, IP24 2PU, United Kingdom |
| PHILLIPS, Gareth Wyn RESIGNED | Director | 09 Jan 2004 | 28 Feb 2005 | United Kingdom | January 1951 | 27 Sunningdale, Newmarket Road, Norwich, Norfolk, NR4 6AQ |
| SCOTT, Andrew Thomas RESIGNED | Director | 25 Oct 2006 | 01 Jul 2025 | England | February 1957 | Bto, The Nunnery, Thetford, Norfolk, IP24 2PU, United Kingdom |
| SMEETON, Terence Ross RESIGNED | Director | 01 Apr 1998 | 12 Sep 2007 | | July 1942 | Amberley,Packhorse Road, Bessels Green, Sevenoaks, Kent, TN13 2QP |
| TOMS, Michael Patrick RESIGNED | Director | 02 Jul 2014 | 02 Aug 2019 | United Kingdom | October 1968 | Bto, The Nunnery, Thetford, Norfolk, IP24 2PU, United Kingdom |
| WILKINSON, Peter John RESIGNED | Director | 11 Mar 1994 | 31 Mar 1998 | | March 1944 | 42 Dale Avenue, Wheathampstead, St Albans, Hertfordshire, AL4 8LS |